condition	mean	min	max
4 h after light	14.880000500000001	14.539896	15.220105
8 h after light	17.3173275	16.909573	17.725082
12 h after light	19.225187499999997	19.133905	19.31647
4 h after dark	17.2885115	15.36371	19.213313
8 h after dark	18.279940500000002	18.003468	18.556413
12 h after dark	15.607545	15.607545	15.607545